Integrated Services Digital Network (ISDN). Conference call, add-on (CONF) supplementary service. Digital subscriber signalling system number one (DSS1) protocol. Part 1: protocol specification
Edition 1996-10-01

Integrated Services Digital Network (ISDN). Three-party (3PTY) supplementary service. Digital subscriber signalling system no one (DSS1) protocol. Part 1: protocol specification
Edition 1995-04-01

Integrated Services Digital Network (ISDN). Generic functional protocol for the support of supplementary services. Digital subscriber signalling system number one (DSS1) protocol. Part 1: protocol specification
Edition 1996-10-01

Integrated Services Digital Network (ISDN). Diversion supplementary services. Digital Subscriber Signalling System number one (DSS1) protocol. Part 1: protocol specification
Edition 1997-07-01

Integrated Services Digital Network (ISDN). Freephone (FPH) supplementary service. Digital substriber Signalling System n o one (DSS) protocol. Part 1: protocol specification
Edition 1997-12-01

Integrated Services Digital Network (ISDN). User-to-User Signalling (UUS) supplementary service. Service description
Edition 1997-06-01

Integrated Services Digital Network (IDSN) - Multiple Subscriber Number (MSN) supplementary service - Digital Subscriber Signalling System No one (DSS1) protocol - Part 1: protocol specification
Edition 2000-08-01

Integrated Services Digital Network (ISDN) - Outing Call Barring (OCB) supplementary services - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: protocol specification
Edition 2001-03-01

Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Cordless Terminal Location Registration (CTLR) supplementary service
Edition 2001-03-01

Integrated Services Digital Network (ISDN) - Outgoing Call Barring-Fixed (OCB-F) supplementary services - Service description
Edition 2001-05-01